Datasheet

Section 10 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Sep. 28, 2009 Page 286 of 910
REJ09B0350-0300
(c) Phase counting mode 3
Figure 10.28 shows an example of phase counting mode 3 operation, and table 10.23 summarizes
the TCNT up/down-count conditions.
Time
Up-count
Down-count
TCNT value
TCLKA (channel 1)
TCLKC (channel 2)
TCLKB (channel 1)
TCLKD (channel 2)
Figure 10.28 Example of Phase Counting Mode 3 Operation
Table 10.23 Up/Down-Count Conditions in Phase Counting Mode 3
TCLKA (Channel 1)
TCLKC (Channel 2)
TCLKB (Channel 1)
TCLKD (Channel 2) Operation
High level
Don't care
Low level
Don't care
Low level
Don't care
High level
Up-count
High level
Down-count
Low level
Don't care
High level
Don't care
Low level
Don't care
[Legend]
: Rising edge
: Falling edge